(fixup) package acceptance tests for version selection

package-testing/tests/version_selection.rb

@@ -0,0 +1,48 @@
+test_name 'Test puppet & ruby version selection' do
+  require 'pdk/pdk_helper.rb'
+
+  module_name = 'version_selection'
+
+  teardown do
+    on(workstation, "rm -rf #{module_name}") if module_name
+  end
+
+  step 'Create a module' do
+    on(workstation, pdk_command(workstation, "new module #{module_name} --skip-interview"))
+  end
+
+  test_cases = [
+    { envvar: 'PDK_PUPPET_VERSION', version: '5.5.0', expected_puppet: '5.3.2', expected_ruby: '2.4.3' },
+    { envvar: 'PDK_PUPPET_VERSION', version: '4.10.1', expected_puppet: '4.10.1', expected_ruby: '2.1.9' },
+    { envvar: 'PDK_PE_VERSION', version: '2017.3.1', expected_puppet: '5.3.2', expected_ruby: '2.4.3' },
+    { envvar: 'PDK_PE_VERSION', version: '2017.2.1', expected_puppet: '4.10.1', expected_ruby: '2.1.9' },
+  ]
+
+  commands = {
+    puppet: 'bundle exec puppet --version',
+    ruby:   'bundle exec ruby --version',
+  }
+
+  test_cases.each do |test_case|
+    slug = test_case[:envvar] == 'PDK_PE_VERSION' ? 'PE' : 'Puppet'
+
+    step "Select #{slug} #{test_case[:version]}" do
+      on_opts = {
+        accept_all_exit_codes: true,
+        environment:           {
+          test_case[:envvar] => test_case[:version],
+        },
+      }
+
+      on(workstation, "cd #{module_name} && #{pdk_command(workstation, commands[:puppet])}", on_opts) do |outcome|
+        assert_match(%r{^#{Regexp.escape(test_case[:expected_puppet])}$}m, outcome.stderr,
+                     "Should be using Puppet #{test_case[:expected_puppet]}. stderr was: #{outcome.stderr}")
+      end
+
+      on(workstation, "cd #{module_name} && #{pdk_command(workstation, commands[:ruby])}", on_opts) do |outcome|
+        assert_match(%r{^ruby #{Regexp.escape(test_case[:expected_ruby])}}im, outcome.stderr,
+                     "Should be using Ruby #{test_case[:expected_ruby]}. stderr was: #{outcome.stderr}")
+      end
+    end
+  end
+end